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  <h2 class="title">安装</h2>

  <p class="para">
   此 <a href="https://pecl.php.net/" class="link external">&raquo;&nbsp;PECL</a> 扩展未与
PHP 捆绑。
  </p>

  <p class="para">
   An example installation procedure on Ubuntu 18.04 with PHP 7.2:
  </p>
<div class="example-contents">
<div class="cdata"><pre>
// Dependencies
$ apt install build-essential libprotobuf-dev libboost-dev openssl protobuf-compiler liblz4-tool zstd

// PHP with the desired extensions; php7.2-dev is required to compile
$ apt install php7.2-cli php7.2-dev php7.2-mysql php7.2-pdo php7.2-xml

// Compile the extension
$ pecl install mysql_xdevapi
</pre></div>
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  <p class="para">
    The <code class="literal">pecl install</code> command does not enable PHP extensions (by default)
    and enabling PHP extensions can be done in several ways. 
    Another PHP 7.2 on Ubuntu 18.04 example:
  </p>

<div class="example-contents">
<div class="cdata"><pre>
// Create its own ini file
$ echo &quot;extension=mysql_xdevapi.so&quot; &gt; /etc/php/7.2/mods-available/mysql_xdevapi.ini

// Use the &#039;phpenmod&#039; command (note: it&#039;s Debian/Ubuntu specific)
$ phpenmod -v 7.2 -s ALL mysql_xdevapi

// A &#039;phpenmod&#039; alternative is to manually symlink it
// $ ln -s /etc/php/7.2/mods-available/mysql_xdevapi.ini /etc/php/7.2/cli/conf.d/20-mysql_xdevapi.ini

// Let&#039;s see which MySQL extensions are enabled now
$ php -m |grep mysql

mysql_xdevapi
mysqli
mysqlnd
pdo_mysql
</pre></div>
</div>


  <p class="para">
   安装此 PECL 扩展相关的信息可在手册中标题为
<a href="install.pecl.html" class="link">PECL
扩展的安装</a>章节中找到。更多信息如新的发行版本、下载、源文件、
维护人员信息及变更日志等，都在此处：
   <a href="https://pecl.php.net/package/mysql_xdevapi" class="link external">&raquo;&nbsp;https://pecl.php.net/package/mysql_xdevapi</a>.
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